January 2012
Tan LC
The definition of Parkinsonian tremor covers all different forms
occurring in Parkinson's disease. The most common form is rest tremor,
labelled as typical Parkinsonian tremor. Other variants cover also
postural and action tremors. Data support the notion that suppression of
rest tremor may be more specific for PD tremors.
Several differential
diagnoses like rest tremor in ET, dystonic tremor, psychogenic tremor
and Holmes' tremor may be misinterpreted as PD-tremor. Tests and
clinical clues to separate them are presented.